This is the transmitting portion of wireless charging system for your Vapor Shark DNA/rDNA. It is tuned to the frequency of Qi to enable charging of your Qi-enabled wireless receiver cards. This item is sold separately from the wireless receiver card. Any Qi charging base is compatible with the Vapor Shark Wireless Receiver Card. Comes with USB extender cable (3ft) that allows the Wireless Charger to reach a total distance of 4 ft.